Where to check the blower motor relay on a Chevy?
Thankfully, it is fairly simple to tell if the relay is malfunctioning and to install a replacement. The blower motor relay is located in the under hood power distribution center and is simply labeled “Blower.” It will only take a few minutes to inspect and replace the relay if necessary. Open the hood of your Chevrolet vehicle.
Why do you need a blower motor relay?
Blower motors are a common component in a home, commercial, and automotive HVAC systems. The blower motor relay is an essential component in a functioning HVAC system. Replacing a malfunctioning relay restores your system’s ability to keep your home, building, or vehicle comfortable.
Where is the under hood motor relay located?
The blower motor relay is located in the under hood power distribution center and is simply labeled “Blower.” It will only take a few minutes to inspect and replace the relay if necessary.
Where is the blower relay on a fuse block?
Pull the blower relay out of the fuse block. The blower relay is located near the front of the fuse block and is labeled “Blower.” Inspect the center of the relay. If the metal rod inside is broken, the relay will need to be replaced.
Where is blow motor relay located?
The blower motor relay is generally located in the under-hood fuse box or in the under-dash fuse box. A blown fuse can mimic relay failure. A failed blower motor switch can also give many of the same symptoms.
Where is the blower motor in a car located?
Some blower motors are easy to access, and others are buried under the dash. Most passenger cars and trucks have heater boxes and blower motors that are located inside the passenger compartment , but there are some instances where the heater box, blower motor, or both, are located in, and accessed from, the engine compartment.
Where is the AC blower relay located?
The blower motor relay is located in a wire harness connector that is secured to the Heater-A/C housing behind the glove box on the passenger side of the vehicle, next to the Heater-A/C wire harness connector in the passenger compartment.
Where is blower speed control module located?
The blower motor electronic automatic temperature control module is located behind the center of the dash panel . The blower motor speed controller is in the right rear of the engine compartment on evaporator and in some cars acts as the resistor.
How does the relay work in a blower motor?
In a blower motor, the relay supplies the power that allows the fans to circulate warmed air. Essentially an on/off switch, the blower motor relay’s reactions start and end the heating process in HVAC systems by controlling the flow of current between the power source and the motor.
Why does my blower motor keep blowing fuses?
Relays are a vital protection against electrical surges. When the relay receives a jolt of strong current or simply cannot manage and distribute its load, it will send excess current into the fuse. This forces a shutdown which protects the entire system from electrical damage. Thus, blown fuses could be a sign of relay issues.
How can I find the correct blower motor relay?
Locating the correct relay can be tricky. Look for terms such as a blower, AC, or cooling fan relay on your schematics to point you in the right direction. Bring your damaged relay with you to the automotive or electronics shop to ensure you’re getting the right part for your blower motor.
The blower motor relay is located in the under hood power distribution center and is simply labeled “Blower.” It will only take a few minutes to inspect and replace the relay if necessary.
Relays are a vital protection against electrical surges. When the relay receives a jolt of strong current or simply cannot manage and distribute its load, it will send excess current into the fuse. This forces a shutdown which protects the entire system from electrical damage. Thus, blown fuses could be a sign of relay issues.
How to test your car’s heater blower motor?
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